Yby Yaú weather in October

In October, Yby Yaú sees average daytime highs of 31°C and overnight lows near 20°C, with 172 mm of rain across 12.8 wet days and about 12.5 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 36% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Yby Yaú's 9th-clearest and 5th-windiest month. For the whole year in context, see Yby Yaú's year-round climate.

Daytime high
31°
6th warmest
Overnight low
20°
7th coldest
Rainfall
172 mm
12.8 wet days
Daylight
12 h 30 min
6:15 AM – 6:47 PM
Cloud cover
56%
9th clearest
Wind
10 km/h
5th windiest
Solar energy
5.61 kWh/m²
Travel score
4.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Yby Yaú reaches about 31°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 36°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43020
53020
63020
73020
83120
93120
103120
113120
123120
133120
143120
153121
163121
173121
183121
193121
203121
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How October really feels in Yby Yaú

Once humidity and wind are folded in, October averages 14 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
14
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Yby Yaú weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°16117.113.33.3
Feb32° / 22°14815.312.83.5
Mar31° / 22°11912.812.24.2
Apr29° / 20°105911.55.5
May26° / 17°1369.110.97.0
Jun25° / 16°1038.410.67.3
Jul25° / 15°796.810.77.6
Aug28° / 16°806.211.27.1
Sep29° / 18°1118.911.95.6
Oct31° / 20°17212.812.54.4
Nov31° / 21°1671313.14.1
Dec32° / 22°18016.413.43.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55644
65644
75644
85545
95545
105545
115446
125446
135347
145248
155248
165149
175149
184951
194951
204951
214951
224753
234852
244852
254753
264852
274753
284852
294852
304852
314852

Chance of precipitation in October

Any precipitation

Yby Yaú gets around 172 mm of rain over 12.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
139
239
339
439
539
639
739
839
939
1039
1139
1240
1340
1440
1541
1641
1742
1842
1943
2043
2143
2243
2344
2444
2544
2644
2744
2845
2945
3045
3145

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the muggy band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1141826384
2131826394
3121826404
4111826414
5101725425
691725435
791724456
881624466
971623477
1071622487
1161621488
1261521499
13515205010
14515195011
15414195112
16414185113
17414175114
18313175215
19313165117
20312165118
21312165019
22311164920
23311164821
24311164722
25411164623
26410164524
27410164425
28410164326
29510164227
30510164128
31510164028

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:29 AM to 6:04 AM, and sunset from 6:41 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:296:41
212.26:286:42
312.36:276:42
412.36:266:43
512.36:256:43
612.36:246:43
712.36:236:44
812.46:226:44
912.46:216:44
1012.46:206:45
1112.46:196:45
1212.56:186:46
1312.56:176:46
1412.56:176:47
1512.56:166:47
1612.56:156:47
1712.66:146:48
1812.66:136:48
1912.66:126:49
2012.66:126:49
2112.66:116:50
2212.76:106:50
2312.76:096:51
2412.76:096:51
2512.76:086:52
2612.86:076:52
2712.86:076:53
2812.86:066:53
2912.86:056:54
3012.86:056:55
3112.86:046:55

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.61 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 6.41 kWh/m² in December across the year — October's 5.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in October

Is October a good time to visit Yby Yaú?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.4
Sightseeing
7th-best month of the year
6.3
Beach & pool
7th-best month of the year

October is a reasonable time to visit Yby Yaú for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Yby Yaú in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Yby Yaú sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Yby Yaú in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yby Yaú peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug7Very high
Sep6High
Oct10Very high
Nov13Extreme
Dec13Extreme

Air quality in Yby Yaú in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Yby Yaú is worst in September — around 39 µg/m³ PM2.5 (poor), about 6.3× the cleanest month (April, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 939 µg/m³Apr 126 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar7Good
Apr6Good
May7Good
Jun9Good
Jul10Good
Aug39Poor
Sep39Poor
Oct21Moderate
Nov13Moderate
Dec9Good
Location & terrain

Where is Yby Yaú?

Yby Yaú sits at 23.0°S, 56.5°W, 184 m above sea level, in Paraguay. The nearest listed city is Pedro Juan Caballero, 94 km away.

Pedro Juan CaballeroBela VistaPonta PorãConcepciónAmambaiJardimCaarapóDourados

Topography around Yby Yaú

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yby Yaú.

Within 3 km, the terrain around Yby Yaú has only modest variations in elevation — a maximum elevation change of 101 m around an average of 197 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 264 m; within 80 km, large variations in elevation — a maximum elevation change of 667 m.

The land around Yby Yaú is covered by grassland (53%) and trees (41%) within 3 km, grassland (67%) and trees (30%) within 16 km, and grassland (56%) and trees (36%) within 80 km.

3 km
101 m
16 km
264 m
80 km
667 m
treesgrasslandcroplandartificial surfaces
October weather nearby: Pedro Juan Caballero 94 km · Bela Vista 95 km · Ponta Porã 96 km · Concepción 103 km · Amambai 135 km · Jardim 170 km · Caarapó 180 km · Dourados 196 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Yby Yaú (-22.9661°, -56.5407°, elevation 184 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).